/* * Implementation of the Microsoft Installer (msi.dll) * * Copyright 2002-2005 Mike McCormack for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #define COBJMACROS #include "windef.h" #include "winbase.h" #include "winerror.h" #include "msi.h" #include "msiquery.h" #include "objbase.h" #include "objidl.h" #include "winnls.h" #include "msipriv.h" #include "query.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(msidb); #define MSITABLE_HASH_TABLE_SIZE 37 struct column_hash_entry { struct column_hash_entry *next; UINT value; UINT row; }; struct column_info { LPCWSTR tablename; UINT number; LPCWSTR colname; UINT type; UINT offset; struct column_hash_entry **hash_table; }; struct tagMSITABLE { BYTE **data; BOOL *data_persistent; UINT row_count; struct list entry; struct column_info *colinfo; UINT col_count; MSICONDITION persistent; LONG ref_count; WCHAR name[1]; }; /* information for default tables */ static const struct column_info _Columns_cols[4] = { { L"_Columns", 1, L"Table", MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, NULL }, { L"_Columns", 2, L"Number", MSITYPE_VALID | MSITYPE_KEY | 2, 2, NULL }, { L"_Columns", 3, L"Name", MSITYPE_VALID | MSITYPE_STRING | 64, 4, NULL }, { L"_Columns", 4, L"Type", MSITYPE_VALID | 2, 6, NULL }, }; static const struct column_info _Tables_cols[1] = { { L"_Tables", 1, L"Name", MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, NULL }, }; #define MAX_STREAM_NAME 0x1f static inline UINT bytes_per_column( MSIDATABASE *db, const struct column_info *col, UINT bytes_per_strref ) { if( MSITYPE_IS_BINARY(col->type) ) return 2; if( col->type & MSITYPE_STRING ) return bytes_per_strref; if( (col->type & 0xff) <= 2) return 2; if( (col->type & 0xff) != 4 ) ERR("Invalid column size %u\n", col->type & 0xff); return 4; } static int utf2mime(int x) { if( (x>='0') && (x<='9') ) return x-'0'; if( (x>='A') && (x<='Z') ) return x-'A'+10; if( (x>='a') && (x<='z') ) return x-'a'+10+26; if( x=='.' ) return 10+26+26; if( x=='_' ) return 10+26+26+1; return -1; } LPWSTR encode_streamname(BOOL bTable, LPCWSTR in) { DWORD count = MAX_STREAM_NAME; DWORD ch, next; LPWSTR out, p; if( !bTable ) count = lstrlenW( in )+2; if (!(out = malloc( count * sizeof(WCHAR) ))) return NULL; p = out; if( bTable ) { *p++ = 0x4840; count --; } while( count -- ) { ch = *in++; if( !ch ) { *p = ch; return out; } if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) ) { ch = utf2mime(ch) + 0x4800; next = *in; if( next && (next<0x80) ) { next = utf2mime(next); if( next != -1 ) { next += 0x3ffffc0; ch += (next<<6); in++; } } } *p++ = ch; } ERR("Failed to encode stream name (%s)\n",debugstr_w(in)); free( out ); return NULL; } static int mime2utf(int x) { if( x<10 ) return x + '0'; if( x<(10+26)) return x - 10 + 'A'; if( x<(10+26+26)) return x - 10 - 26 + 'a'; if( x == (10+26+26) ) return '.'; return '_'; } BOOL decode_streamname(LPCWSTR in, LPWSTR out) { WCHAR ch; DWORD count = 0; while ( (ch = *in++) ) { if( (ch >= 0x3800 ) && (ch < 0x4840 ) ) { if( ch >= 0x4800 ) ch = mime2utf(ch-0x4800); else { ch -= 0x3800; *out++ = mime2utf(ch&0x3f); count++; ch = mime2utf((ch>>6)&0x3f); } } *out++ = ch; count++; } *out = 0; return count; } void enum_stream_names( IStorage *stg ) { IEnumSTATSTG *stgenum = NULL; HRESULT r; STATSTG stat; ULONG n, count; WCHAR name[0x40]; r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum ); if( FAILED( r ) ) return; n = 0; while( 1 ) { count = 0; r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count ); if( FAILED( r ) || !count ) break; decode_streamname( stat.pwcsName, name ); TRACE( "stream %2lu -> %s %s\n", n, debugstr_w(stat.pwcsName), debugstr_w(name) ); CoTaskMemFree( stat.pwcsName ); n++; } IEnumSTATSTG_Release( stgenum ); } UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table, BYTE **pdata, UINT *psz ) { HRESULT r; UINT ret = ERROR_FUNCTION_FAILED; VOID *data; ULONG sz, count; IStream *stm = NULL; STATSTG stat; LPWSTR encname; encname = encode_streamname(table, stname); TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname)); r = IStorage_OpenStream(stg, encname, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm); free(encname); if( FAILED( r ) ) { WARN( "open stream failed r = %#lx - empty table?\n", r ); return ret; } r = IStream_Stat(stm, &stat, STATFLAG_NONAME ); if( FAILED( r ) ) { WARN( "open stream failed r = %#lx!\n", r ); goto end; } if( stat.cbSize.QuadPart >> 32 ) { WARN("Too big!\n"); goto end; } sz = stat.cbSize.QuadPart; data = malloc(sz); if( !data ) { WARN( "couldn't allocate memory r = %#lx!\n", r ); ret = ERROR_NOT_ENOUGH_MEMORY; goto end; } r = IStream_Read(stm, data, sz, &count ); if( FAILED( r ) || ( count != sz ) ) { free(data); WARN("read stream failed r = %#lx!\n", r); goto end; } *pdata = data; *psz = sz; ret = ERROR_SUCCESS; end: IStream_Release( stm ); return ret; } UINT write_stream_data( IStorage *stg, LPCWSTR stname, LPCVOID data, UINT sz, BOOL bTable ) { HRESULT r; UINT ret = ERROR_FUNCTION_FAILED; ULONG count; IStream *stm = NULL; ULARGE_INTEGER size; LARGE_INTEGER pos; LPWSTR encname; encname = encode_streamname(bTable, stname ); r = IStorage_OpenStream( stg, encname, NULL, STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm); if( FAILED(r) ) { r = IStorage_CreateStream( stg, encname, STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm); } free( encname ); if( FAILED( r ) ) { WARN( "open stream failed r = %#lx\n", r ); return ret; } size.QuadPart = sz; r = IStream_SetSize( stm, size ); if( FAILED( r ) ) { WARN("Failed to SetSize\n"); goto end; } pos.QuadPart = 0; r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL ); if( FAILED( r ) ) { WARN("Failed to Seek\n"); goto end; } if (sz) { r = IStream_Write(stm, data, sz, &count ); if( FAILED( r ) || ( count != sz ) ) { WARN("Failed to Write\n"); goto end; } } ret = ERROR_SUCCESS; end: IStream_Release( stm ); return ret; } static void free_colinfo( struct column_info *colinfo, UINT count ) { UINT i; for (i = 0; i < count; i++) free( colinfo[i].hash_table ); } static void free_table( MSITABLE *table ) { UINT i; for( i=0; irow_count; i++ ) free( table->data[i] ); free( table->data ); free( table->data_persistent ); free_colinfo( table->colinfo, table->col_count ); free( table->colinfo ); free( table ); } static UINT table_get_row_size( MSIDATABASE *db, const struct column_info *cols, UINT count, UINT bytes_per_strref ) { const struct column_info *last_col; if (!count) return 0; if (bytes_per_strref != LONG_STR_BYTES) { UINT i, size = 0; for (i = 0; i < count; i++) size += bytes_per_column( db, &cols[i], bytes_per_strref ); return size; } last_col = &cols[count - 1]; return last_col->offset + bytes_per_column( db, last_col, bytes_per_strref ); } /* add this table to the list of cached tables in the database */ static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg ) { BYTE *rawdata = NULL; UINT rawsize = 0, i, j, row_size, row_size_mem; TRACE("%s\n",debugstr_w(t->name)); row_size = table_get_row_size( db, t->colinfo, t->col_count, db->bytes_per_strref ); row_size_mem = table_get_row_size( db, t->colinfo, t->col_count, LONG_STR_BYTES ); /* if we can't read the table, just assume that it's empty */ read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize ); if( !rawdata ) return ERROR_SUCCESS; TRACE("Read %d bytes\n", rawsize ); if( rawsize % row_size ) { WARN("Table size is invalid %d/%d\n", rawsize, row_size ); goto err; } if ((t->row_count = rawsize / row_size)) { if (!(t->data = calloc( t->row_count, sizeof(USHORT *) ))) goto err; if (!(t->data_persistent = calloc( t->row_count, sizeof(BOOL) ))) goto err; } /* transpose all the data */ TRACE("Transposing data from %d rows\n", t->row_count ); for (i = 0; i < t->row_count; i++) { UINT ofs = 0, ofs_mem = 0; t->data[i] = malloc( row_size_mem ); if( !t->data[i] ) goto err; t->data_persistent[i] = TRUE; for (j = 0; j < t->col_count; j++) { UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES ); UINT n = bytes_per_column( db, &t->colinfo[j], db->bytes_per_strref ); UINT k; if ( n != 2 && n != 3 && n != 4 ) { ERR("oops - unknown column width %d\n", n); goto err; } if (t->colinfo[j].type & MSITYPE_STRING && n < m) { for (k = 0; k < m; k++) { if (k < n) t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k]; else t->data[i][ofs_mem + k] = 0; } } else { for (k = 0; k < n; k++) t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k]; } ofs_mem += m; ofs += n; } } free( rawdata ); return ERROR_SUCCESS; err: free( rawdata ); return ERROR_FUNCTION_FAILED; } void free_cached_tables( MSIDATABASE *db ) { while( !list_empty( &db->tables ) ) { MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry ); list_remove( &t->entry ); free_table( t ); } } static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name ) { MSITABLE *t; LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry ) if( !wcscmp( name, t->name ) ) return t; return NULL; } static void table_calc_column_offsets( MSIDATABASE *db, struct column_info *colinfo, DWORD count ) { DWORD i; for (i = 0; colinfo && i < count; i++) { assert( i + 1 == colinfo[i].number ); if (i) colinfo[i].offset = colinfo[i - 1].offset + bytes_per_column( db, &colinfo[i - 1], LONG_STR_BYTES ); else colinfo[i].offset = 0; TRACE("column %d is [%s] with type %08x ofs %d\n", colinfo[i].number, debugstr_w(colinfo[i].colname), colinfo[i].type, colinfo[i].offset); } } static UINT get_defaulttablecolumns( MSIDATABASE *db, const WCHAR *name, struct column_info *colinfo, UINT *sz ) { const struct column_info *p; DWORD i, n; TRACE("%s\n", debugstr_w(name)); if (!wcscmp( name, L"_Tables" )) { p = _Tables_cols; n = 1; } else if (!wcscmp( name, L"_Columns" )) { p = _Columns_cols; n = 4; } else return ERROR_FUNCTION_FAILED; for (i = 0; i < n; i++) { if (colinfo && i < *sz) colinfo[i] = p[i]; if (colinfo && i >= *sz) break; } table_calc_column_offsets( db, colinfo, n ); *sz = n; return ERROR_SUCCESS; } static UINT get_tablecolumns( MSIDATABASE *, const WCHAR *, struct column_info *, UINT * ); static UINT table_get_column_info( MSIDATABASE *db, const WCHAR *name, struct column_info **pcols, UINT *pcount ) { UINT r, column_count = 0; struct column_info *columns; /* get the number of columns in this table */ column_count = 0; r = get_tablecolumns( db, name, NULL, &column_count ); if (r != ERROR_SUCCESS) return r; *pcount = column_count; /* if there are no columns, there's no table */ if (!column_count) return ERROR_INVALID_PARAMETER; TRACE("table %s found\n", debugstr_w(name)); columns = malloc( column_count * sizeof(*columns) ); if (!columns) return ERROR_FUNCTION_FAILED; r = get_tablecolumns( db, name, columns, &column_count ); if (r != ERROR_SUCCESS) { free( columns ); return ERROR_FUNCTION_FAILED; } *pcols = columns; return r; } static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret ) { MSITABLE *table; UINT r; /* first, see if the table is cached */ table = find_cached_table( db, name ); if (table) { *table_ret = table; return ERROR_SUCCESS; } /* nonexistent tables should be interpreted as empty tables */ table = malloc( sizeof(MSITABLE) + wcslen( name ) * sizeof(WCHAR) ); if (!table) return ERROR_FUNCTION_FAILED; table->row_count = 0; table->data = NULL; table->data_persistent = NULL; table->colinfo = NULL; table->col_count = 0; table->persistent = MSICONDITION_TRUE; lstrcpyW( table->name, name ); if (!wcscmp( name, L"_Tables" ) || !wcscmp( name, L"_Columns" )) table->persistent = MSICONDITION_NONE; r = table_get_column_info( db, name, &table->colinfo, &table->col_count ); if (r != ERROR_SUCCESS) { free_table( table ); return r; } r = read_table_from_storage( db, table, db->storage ); if (r != ERROR_SUCCESS) { free_table( table ); return r; } list_add_head( &db->tables, &table->entry ); *table_ret = table; return ERROR_SUCCESS; } static UINT read_table_int( BYTE *const *data, UINT row, UINT col, UINT bytes ) { UINT ret = 0, i; for (i = 0; i < bytes; i++) ret += data[row][col + i] << i * 8; return ret; } static UINT get_tablecolumns( MSIDATABASE *db, const WCHAR *szTableName, struct column_info *colinfo, UINT *sz ) { UINT r, i, n = 0, table_id, count, maxcount = *sz; MSITABLE *table = NULL; TRACE("%s\n", debugstr_w(szTableName)); /* first check if there is a default table with that name */ r = get_defaulttablecolumns( db, szTableName, colinfo, sz ); if (r == ERROR_SUCCESS && *sz) return r; r = get_table( db, L"_Columns", &table ); if (r != ERROR_SUCCESS) { ERR("couldn't load _Columns table\n"); return ERROR_FUNCTION_FAILED; } /* convert table and column names to IDs from the string table */ r = msi_string2id( db->strings, szTableName, -1, &table_id ); if (r != ERROR_SUCCESS) { WARN("Couldn't find id for %s\n", debugstr_w(szTableName)); return r; } TRACE("Table id is %d, row count is %d\n", table_id, table->row_count); /* Note: _Columns table doesn't have non-persistent data */ /* if maxcount is non-zero, assume it's exactly right for this table */ if (colinfo) memset( colinfo, 0, maxcount * sizeof(*colinfo) ); count = table->row_count; for (i = 0; i < count; i++) { if (read_table_int( table->data, i, 0, LONG_STR_BYTES) != table_id) continue; if (colinfo) { UINT id = read_table_int( table->data, i, table->colinfo[2].offset, LONG_STR_BYTES ); UINT col = read_table_int( table->data, i, table->colinfo[1].offset, sizeof(USHORT) ) - (1 << 15); /* check the column number is in range */ if (col < 1 || col > maxcount) { ERR("column %d out of range (maxcount: %d)\n", col, maxcount); continue; } /* check if this column was already set */ if (colinfo[col - 1].number) { ERR("duplicate column %d\n", col); continue; } colinfo[col - 1].tablename = msi_string_lookup( db->strings, table_id, NULL ); colinfo[col - 1].number = col; colinfo[col - 1].colname = msi_string_lookup( db->strings, id, NULL ); colinfo[col - 1].type = read_table_int( table->data, i, table->colinfo[3].offset, sizeof(USHORT) ) - (1 << 15); colinfo[col - 1].offset = 0; colinfo[col - 1].hash_table = NULL; } n++; } TRACE("%s has %d columns\n", debugstr_w(szTableName), n); if (colinfo && n != maxcount) { ERR("missing column in table %s\n", debugstr_w(szTableName)); free_colinfo( colinfo, maxcount ); return ERROR_FUNCTION_FAILED; } table_calc_column_offsets( db, colinfo, n ); *sz = n; return ERROR_SUCCESS; } UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info, MSICONDITION persistent, BOOL hold ) { UINT r, nField; MSIVIEW *tv = NULL; MSIRECORD *rec = NULL; column_info *col; MSITABLE *table; UINT i; /* only add tables that don't exist already */ if( TABLE_Exists(db, name ) ) { WARN("table %s exists\n", debugstr_w(name)); return ERROR_BAD_QUERY_SYNTAX; } table = malloc( sizeof(MSITABLE) + wcslen(name) * sizeof(WCHAR) ); if( !table ) return ERROR_FUNCTION_FAILED; table->ref_count = 0; table->row_count = 0; table->data = NULL; table->data_persistent = NULL; table->colinfo = NULL; table->col_count = 0; table->persistent = persistent; lstrcpyW( table->name, name ); if( hold ) table->ref_count++; for( col = col_info; col; col = col->next ) table->col_count++; table->colinfo = malloc( table->col_count * sizeof(*table->colinfo) ); if (!table->colinfo) { free_table( table ); return ERROR_FUNCTION_FAILED; } for( i = 0, col = col_info; col; i++, col = col->next ) { UINT table_id = msi_add_string( db->strings, col->table, -1, persistent ); UINT col_id = msi_add_string( db->strings, col->column, -1, persistent ); table->colinfo[ i ].tablename = msi_string_lookup( db->strings, table_id, NULL ); table->colinfo[ i ].number = i + 1; table->colinfo[ i ].colname = msi_string_lookup( db->strings, col_id, NULL ); table->colinfo[ i ].type = col->type; table->colinfo[ i ].offset = 0; table->colinfo[ i ].hash_table = NULL; } table_calc_column_offsets( db, table->colinfo, table->col_count); r = TABLE_CreateView( db, L"_Tables", &tv ); TRACE("CreateView returned %x\n", r); if( r ) { free_table( table ); return r; } r = tv->ops->execute( tv, 0 ); TRACE("tv execute returned %x\n", r); if( r ) goto err; rec = MSI_CreateRecord( 1 ); if( !rec ) goto err; r = MSI_RecordSetStringW( rec, 1, name ); if( r ) goto err; r = tv->ops->insert_row( tv, rec, -1, persistent == MSICONDITION_FALSE ); TRACE("insert_row returned %x\n", r); if( r ) goto err; tv->ops->delete( tv ); tv = NULL; msiobj_release( &rec->hdr ); rec = NULL; if( persistent != MSICONDITION_FALSE ) { /* add each column to the _Columns table */ r = TABLE_CreateView( db, L"_Columns", &tv ); if( r ) goto err; r = tv->ops->execute( tv, 0 ); TRACE("tv execute returned %x\n", r); if( r ) goto err; rec = MSI_CreateRecord( 4 ); if( !rec ) goto err; r = MSI_RecordSetStringW( rec, 1, name ); if( r ) goto err; /* * need to set the table, column number, col name and type * for each column we enter in the table */ nField = 1; for( col = col_info; col; col = col->next ) { r = MSI_RecordSetInteger( rec, 2, nField ); if( r ) goto err; r = MSI_RecordSetStringW( rec, 3, col->column ); if( r ) goto err; r = MSI_RecordSetInteger( rec, 4, col->type ); if( r ) goto err; r = tv->ops->insert_row( tv, rec, -1, FALSE ); if( r ) goto err; nField++; } if( !col ) r = ERROR_SUCCESS; } err: if (rec) msiobj_release( &rec->hdr ); /* FIXME: remove values from the string table on error */ if( tv ) tv->ops->delete( tv ); if (r == ERROR_SUCCESS) list_add_head( &db->tables, &table->entry ); else free_table( table ); return r; } static UINT save_table( MSIDATABASE *db, const MSITABLE *t, UINT bytes_per_strref ) { BYTE *rawdata = NULL; UINT rawsize, i, j, row_size, row_count; UINT r = ERROR_FUNCTION_FAILED; /* Nothing to do for non-persistent tables */ if( t->persistent == MSICONDITION_FALSE ) return ERROR_SUCCESS; TRACE("Saving %s\n", debugstr_w( t->name ) ); row_size = table_get_row_size( db, t->colinfo, t->col_count, bytes_per_strref ); row_count = t->row_count; for (i = 0; i < t->row_count; i++) { if (!t->data_persistent[i]) { row_count = 1; /* yes, this is bizarre */ break; } } rawsize = row_count * row_size; rawdata = calloc( 1, rawsize ); if( !rawdata ) { r = ERROR_NOT_ENOUGH_MEMORY; goto err; } rawsize = 0; for (i = 0; i < row_count; i++) { UINT ofs = 0, ofs_mem = 0; if (!t->data_persistent[i]) break; for (j = 0; j < t->col_count; j++) { UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES ); UINT n = bytes_per_column( db, &t->colinfo[j], bytes_per_strref ); UINT k; if (n != 2 && n != 3 && n != 4) { ERR("oops - unknown column width %d\n", n); goto err; } if (t->colinfo[j].type & MSITYPE_STRING && n < m) { UINT id = read_table_int( t->data, i, ofs_mem, LONG_STR_BYTES ); if (id > 1 << bytes_per_strref * 8) { ERR("string id %u out of range\n", id); goto err; } } for (k = 0; k < n; k++) { rawdata[ofs * row_count + i * n + k] = t->data[i][ofs_mem + k]; } ofs_mem += m; ofs += n; } rawsize += row_size; } TRACE("writing %d bytes\n", rawsize); r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE ); err: free( rawdata ); return r; } static void update_table_columns( MSIDATABASE *db, const WCHAR *name ) { MSITABLE *table; UINT size, offset, old_count; UINT n; if (!(table = find_cached_table( db, name ))) return; old_count = table->col_count; free_colinfo( table->colinfo, table->col_count ); free( table->colinfo ); table->colinfo = NULL; table_get_column_info( db, name, &table->colinfo, &table->col_count ); if (!table->col_count) return; size = table_get_row_size( db, table->colinfo, table->col_count, LONG_STR_BYTES ); offset = table->colinfo[table->col_count - 1].offset; for ( n = 0; n < table->row_count; n++ ) { table->data[n] = realloc( table->data[n], size ); if (old_count < table->col_count) memset( &table->data[n][offset], 0, size - offset ); } } /* try to find the table name in the _Tables table */ BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name ) { UINT r, table_id, i; MSITABLE *table; if( !wcscmp( name, L"_Tables" ) || !wcscmp( name, L"_Columns" ) || !wcscmp( name, L"_Streams" ) || !wcscmp( name, L"_Storages" ) ) return TRUE; r = msi_string2id( db->strings, name, -1, &table_id ); if( r != ERROR_SUCCESS ) { TRACE("Couldn't find id for %s\n", debugstr_w(name)); return FALSE; } r = get_table( db, L"_Tables", &table ); if( r != ERROR_SUCCESS ) { ERR("table _Tables not available\n"); return FALSE; } for( i = 0; i < table->row_count; i++ ) { if( read_table_int( table->data, i, 0, LONG_STR_BYTES ) == table_id ) return TRUE; } return FALSE; } /* below is the query interface to a table */ struct table_view { MSIVIEW view; MSIDATABASE *db; MSITABLE *table; struct column_info *columns; UINT num_cols; UINT row_size; WCHAR name[1]; }; static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val ) { struct table_view *tv = (struct table_view *)view; UINT offset, n; if( !tv->table ) return ERROR_INVALID_PARAMETER; if( (col==0) || (col>tv->num_cols) ) return ERROR_INVALID_PARAMETER; /* how many rows are there ? */ if( row >= tv->table->row_count ) return ERROR_NO_MORE_ITEMS; if( tv->columns[col-1].offset >= tv->row_size ) { ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size ); ERR("%p %p\n", tv, tv->columns ); return ERROR_FUNCTION_FAILED; } n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES ); if (n != 2 && n != 3 && n != 4) { ERR("oops! what is %d bytes per column?\n", n ); return ERROR_FUNCTION_FAILED; } offset = tv->columns[col-1].offset; *val = read_table_int(tv->table->data, row, offset, n); /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */ return ERROR_SUCCESS; } static UINT get_stream_name( const struct table_view *tv, UINT row, WCHAR **pstname ) { LPWSTR p, stname = NULL; UINT i, r, type, ival; DWORD len; LPCWSTR sval; MSIVIEW *view = (MSIVIEW *) tv; TRACE("%p %d\n", tv, row); len = lstrlenW( tv->name ) + 1; stname = malloc( len * sizeof(WCHAR) ); if ( !stname ) { r = ERROR_OUTOFMEMORY; goto err; } lstrcpyW( stname, tv->name ); for ( i = 0; i < tv->num_cols; i++ ) { type = tv->columns[i].type; if ( type & MSITYPE_KEY ) { WCHAR number[0x20]; r = TABLE_fetch_int( view, row, i+1, &ival ); if ( r != ERROR_SUCCESS ) goto err; if ( tv->columns[i].type & MSITYPE_STRING ) { sval = msi_string_lookup( tv->db->strings, ival, NULL ); if ( !sval ) { r = ERROR_INVALID_PARAMETER; goto err; } } else { UINT n = bytes_per_column( tv->db, &tv->columns[i], LONG_STR_BYTES ); switch( n ) { case 2: swprintf( number, ARRAY_SIZE(number), L"%d", ival-0x8000 ); break; case 4: swprintf( number, ARRAY_SIZE(number), L"%d", ival^0x80000000 ); break; default: ERR( "oops - unknown column width %d\n", n ); r = ERROR_FUNCTION_FAILED; goto err; } sval = number; } len += lstrlenW( L"." ) + lstrlenW( sval ); p = realloc( stname, len * sizeof(WCHAR) ); if ( !p ) { r = ERROR_OUTOFMEMORY; goto err; } stname = p; lstrcatW( stname, L"." ); lstrcatW( stname, sval ); } else continue; } *pstname = stname; return ERROR_SUCCESS; err: free( stname ); *pstname = NULL; return r; } /* * We need a special case for streams, as we need to reference column with * the name of the stream in the same table, and the table name * which may not be available at higher levels of the query */ static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm ) { struct table_view *tv = (struct table_view *)view; UINT r; WCHAR *name; if( !view->ops->fetch_int ) return ERROR_INVALID_PARAMETER; r = get_stream_name( tv, row, &name ); if (r != ERROR_SUCCESS) { ERR("fetching stream, error = %u\n", r); return r; } r = msi_get_stream( tv->db, name, stm ); if (r != ERROR_SUCCESS) ERR("fetching stream %s, error = %u\n", debugstr_w(name), r); free( name ); return r; } /* Set a table value, i.e. preadjusted integer or string ID. */ static UINT table_set_bytes( struct table_view *tv, UINT row, UINT col, UINT val ) { UINT offset, n, i; if( !tv->table ) return ERROR_INVALID_PARAMETER; if( (col==0) || (col>tv->num_cols) ) return ERROR_INVALID_PARAMETER; if( row >= tv->table->row_count ) return ERROR_INVALID_PARAMETER; if( tv->columns[col-1].offset >= tv->row_size ) { ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size ); ERR("%p %p\n", tv, tv->columns ); return ERROR_FUNCTION_FAILED; } free( tv->columns[col-1].hash_table ); tv->columns[col-1].hash_table = NULL; n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES ); if ( n != 2 && n != 3 && n != 4 ) { ERR("oops! what is %d bytes per column?\n", n ); return ERROR_FUNCTION_FAILED; } offset = tv->columns[col-1].offset; for ( i = 0; i < n; i++ ) tv->table->data[row][offset + i] = (val >> i * 8) & 0xff; return ERROR_SUCCESS; } static UINT int_to_table_storage( const struct table_view *tv, UINT col, int val, UINT *ret ) { if ((tv->columns[col-1].type & MSI_DATASIZEMASK) == 2) { if (val == MSI_NULL_INTEGER) *ret = 0; else if ((val + 0x8000) & 0xffff0000) { ERR("value %d out of range\n", val); return ERROR_FUNCTION_FAILED; } else *ret = val + 0x8000; } else *ret = val ^ 0x80000000; return ERROR_SUCCESS; } static UINT TABLE_set_int( MSIVIEW *view, UINT row, UINT col, int val ) { struct table_view *tv = (struct table_view *)view; UINT r, table_int; TRACE("row %u, col %u, val %d.\n", row, col, val); if ((r = int_to_table_storage( tv, col, val, &table_int ))) return r; if (tv->columns[col-1].type & MSITYPE_KEY) { UINT key; if ((r = TABLE_fetch_int( view, row, col, &key ))) return r; if (key != table_int) { ERR("Cannot modify primary key %s.%s.\n", debugstr_w(tv->table->name), debugstr_w(tv->columns[col-1].colname)); return ERROR_FUNCTION_FAILED; } } return table_set_bytes( tv, row, col, table_int ); } static UINT TABLE_set_string( MSIVIEW *view, UINT row, UINT col, const WCHAR *val, int len ) { struct table_view *tv = (struct table_view *)view; BOOL persistent; UINT id, r; TRACE("row %u, col %u, val %s.\n", row, col, debugstr_wn(val, len)); persistent = (tv->table->persistent != MSICONDITION_FALSE) && tv->table->data_persistent[row]; if (val) { r = msi_string2id( tv->db->strings, val, len, &id ); if (r != ERROR_SUCCESS) id = msi_add_string( tv->db->strings, val, len, persistent ); } else id = 0; if (tv->columns[col-1].type & MSITYPE_KEY) { UINT key; if ((r = TABLE_fetch_int( view, row, col, &key ))) return r; if (key != id) { ERR("Cannot modify primary key %s.%s.\n", debugstr_w(tv->table->name), debugstr_w(tv->columns[col-1].colname)); return ERROR_FUNCTION_FAILED; } } return table_set_bytes( tv, row, col, id ); } static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec ) { struct table_view *tv = (struct table_view *)view; if (!tv->table) return ERROR_INVALID_PARAMETER; return msi_view_get_row(tv->db, view, row, rec); } static UINT add_stream( MSIDATABASE *db, const WCHAR *name, IStream *data ) { MSIQUERY *query; MSIRECORD *rec; UINT r; TRACE("%p %s %p\n", db, debugstr_w(name), data); if (!(rec = MSI_CreateRecord( 2 ))) return ERROR_OUTOFMEMORY; r = MSI_RecordSetStringW( rec, 1, name ); if (r != ERROR_SUCCESS) goto done; r = MSI_RecordSetIStream( rec, 2, data ); if (r != ERROR_SUCCESS) goto done; r = MSI_DatabaseOpenViewW( db, L"INSERT INTO `_Streams` (`Name`,`Data`) VALUES (?,?)", &query ); if (r != ERROR_SUCCESS) goto done; r = MSI_ViewExecute( query, rec ); msiobj_release( &query->hdr ); if (r == ERROR_SUCCESS) goto done; msiobj_release( &rec->hdr ); if (!(rec = MSI_CreateRecord( 2 ))) return ERROR_OUTOFMEMORY; r = MSI_RecordSetIStream( rec, 1, data ); if (r != ERROR_SUCCESS) goto done; r = MSI_RecordSetStringW( rec, 2, name ); if (r != ERROR_SUCCESS) goto done; r = MSI_DatabaseOpenViewW( db, L"UPDATE `_Streams` SET `Data` = ? WHERE `Name` = ?", &query ); if (r != ERROR_SUCCESS) goto done; r = MSI_ViewExecute( query, rec ); msiobj_release( &query->hdr ); done: msiobj_release( &rec->hdr ); return r; } static UINT TABLE_set_stream( MSIVIEW *view, UINT row, UINT col, IStream *stream ) { struct table_view *tv = (struct table_view *)view; WCHAR *name; UINT r; TRACE("row %u, col %u, stream %p.\n", row, col, stream); if ((r = get_stream_name( tv, row - 1, &name ))) return r; r = add_stream( tv->db, name, stream ); free( name ); return r; } static UINT get_table_value_from_record( struct table_view *tv, MSIRECORD *rec, UINT iField, UINT *pvalue ) { struct column_info columninfo; UINT r; if (!iField || iField > tv->num_cols || MSI_RecordIsNull( rec, iField )) return ERROR_FUNCTION_FAILED; columninfo = tv->columns[ iField - 1 ]; if ( MSITYPE_IS_BINARY(columninfo.type) ) { *pvalue = 1; /* refers to the first key column */ } else if ( columninfo.type & MSITYPE_STRING ) { int len; const WCHAR *sval = msi_record_get_string( rec, iField, &len ); if (sval) { r = msi_string2id( tv->db->strings, sval, len, pvalue ); if (r != ERROR_SUCCESS) return ERROR_NOT_FOUND; } else *pvalue = 0; } else return int_to_table_storage( tv, iField, MSI_RecordGetInteger( rec, iField ), pvalue ); return ERROR_SUCCESS; } static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask ) { struct table_view *tv = (struct table_view *)view; UINT i, val, r = ERROR_SUCCESS; if ( !tv->table ) return ERROR_INVALID_PARAMETER; /* test if any of the mask bits are invalid */ if ( mask >= (1<num_cols) ) return ERROR_INVALID_PARAMETER; for ( i = 0; i < tv->num_cols; i++ ) { BOOL persistent; /* only update the fields specified in the mask */ if ( !(mask&(1<table->persistent != MSICONDITION_FALSE) && (tv->table->data_persistent[row]); /* FIXME: should we allow updating keys? */ val = 0; if ( !MSI_RecordIsNull( rec, i + 1 ) ) { r = get_table_value_from_record (tv, rec, i + 1, &val); if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) ) { IStream *stm; LPWSTR stname; if ( r != ERROR_SUCCESS ) return ERROR_FUNCTION_FAILED; r = MSI_RecordGetIStream( rec, i + 1, &stm ); if ( r != ERROR_SUCCESS ) return r; r = get_stream_name( tv, row, &stname ); if ( r != ERROR_SUCCESS ) { IStream_Release( stm ); return r; } r = add_stream( tv->db, stname, stm ); IStream_Release( stm ); free( stname ); if ( r != ERROR_SUCCESS ) return r; } else if ( tv->columns[i].type & MSITYPE_STRING ) { UINT x; if ( r != ERROR_SUCCESS ) { int len; const WCHAR *sval = msi_record_get_string( rec, i + 1, &len ); val = msi_add_string( tv->db->strings, sval, len, persistent ); } else { TABLE_fetch_int(&tv->view, row, i + 1, &x); if (val == x) continue; } } else { if ( r != ERROR_SUCCESS ) return ERROR_FUNCTION_FAILED; } } r = table_set_bytes( tv, row, i+1, val ); if ( r != ERROR_SUCCESS ) break; } return r; } static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary ) { struct table_view *tv = (struct table_view *)view; BYTE **p, *row; BOOL *b; UINT sz; BYTE ***data_ptr; BOOL **data_persist_ptr; UINT *row_count; TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE"); if( !tv->table ) return ERROR_INVALID_PARAMETER; row = calloc( 1, tv->row_size ); if( !row ) return ERROR_NOT_ENOUGH_MEMORY; row_count = &tv->table->row_count; data_ptr = &tv->table->data; data_persist_ptr = &tv->table->data_persistent; if (*num == -1) *num = tv->table->row_count; sz = (*row_count + 1) * sizeof (BYTE*); if( *data_ptr ) p = realloc( *data_ptr, sz ); else p = malloc( sz ); if( !p ) { free( row ); return ERROR_NOT_ENOUGH_MEMORY; } sz = (*row_count + 1) * sizeof (BOOL); if( *data_persist_ptr ) b = realloc( *data_persist_ptr, sz ); else b = malloc( sz ); if( !b ) { free( row ); free( p ); return ERROR_NOT_ENOUGH_MEMORY; } *data_ptr = p; (*data_ptr)[*row_count] = row; *data_persist_ptr = b; (*data_persist_ptr)[*row_count] = !temporary; (*row_count)++; return ERROR_SUCCESS; } static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record ) { struct table_view *tv = (struct table_view *)view; TRACE("%p %p\n", tv, record); TRACE("There are %d columns\n", tv->num_cols ); return ERROR_SUCCESS; } static UINT TABLE_close( struct tagMSIVIEW *view ) { TRACE("%p\n", view ); return ERROR_SUCCESS; } static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols) { struct table_view *tv = (struct table_view *)view; TRACE("%p %p %p\n", view, rows, cols ); if( cols ) *cols = tv->num_cols; if( rows ) { if( !tv->table ) return ERROR_INVALID_PARAMETER; *rows = tv->table->row_count; } return ERROR_SUCCESS; } static UINT TABLE_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name, UINT *type, BOOL *temporary, LPCWSTR *table_name ) { struct table_view *tv = (struct table_view *)view; TRACE("%p %d %p %p\n", tv, n, name, type ); if( ( n == 0 ) || ( n > tv->num_cols ) ) return ERROR_INVALID_PARAMETER; if( name ) { *name = tv->columns[n-1].colname; if( !*name ) return ERROR_FUNCTION_FAILED; } if( table_name ) { *table_name = tv->columns[n-1].tablename; if( !*table_name ) return ERROR_FUNCTION_FAILED; } if( type ) *type = tv->columns[n-1].type; if( temporary ) *temporary = (tv->columns[n-1].type & MSITYPE_TEMPORARY) != 0; return ERROR_SUCCESS; } static UINT table_find_row( struct table_view *, MSIRECORD *, UINT *, UINT * ); static UINT table_validate_new( struct table_view *tv, MSIRECORD *rec, UINT *column ) { UINT r, row, i; /* check there are no null values where they're not allowed */ for( i = 0; i < tv->num_cols; i++ ) { if ( tv->columns[i].type & MSITYPE_NULLABLE ) continue; if ( MSITYPE_IS_BINARY(tv->columns[i].type) ) TRACE("skipping binary column\n"); else if ( tv->columns[i].type & MSITYPE_STRING ) { int len; const WCHAR *str = msi_record_get_string( rec, i+1, &len ); if (!str || (!str[0] && !len)) { if (column) *column = i; return ERROR_INVALID_DATA; } } else { UINT n; n = MSI_RecordGetInteger( rec, i+1 ); if (n == MSI_NULL_INTEGER) { if (column) *column = i; return ERROR_INVALID_DATA; } } } /* check there are no duplicate keys */ r = table_find_row( tv, rec, &row, column ); if (r == ERROR_SUCCESS) return ERROR_FUNCTION_FAILED; return ERROR_SUCCESS; } static int compare_record( struct table_view *tv, UINT row, MSIRECORD *rec ) { UINT r, i, ivalue, x; for (i = 0; i < tv->num_cols; i++ ) { if (!(tv->columns[i].type & MSITYPE_KEY)) continue; r = get_table_value_from_record( tv, rec, i + 1, &ivalue ); if (r != ERROR_SUCCESS) return 1; r = TABLE_fetch_int( &tv->view, row, i + 1, &x ); if (r != ERROR_SUCCESS) { WARN("TABLE_fetch_int should not fail here %u\n", r); return -1; } if (ivalue > x) { return 1; } else if (ivalue == x) { if (i < tv->num_cols - 1) continue; return 0; } else return -1; } return 1; } static int find_insert_index( struct table_view *tv, MSIRECORD *rec ) { int idx, c, low = 0, high = tv->table->row_count - 1; TRACE("%p %p\n", tv, rec); while (low <= high) { idx = (low + high) / 2; c = compare_record( tv, idx, rec ); if (c < 0) high = idx - 1; else if (c > 0) low = idx + 1; else { TRACE("found %u\n", idx); return idx; } } TRACE("found %u\n", high + 1); return high + 1; } static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary ) { struct table_view *tv = (struct table_view *)view; UINT i, r; TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" ); /* check that the key is unique - can we find a matching row? */ r = table_validate_new( tv, rec, NULL ); if( r != ERROR_SUCCESS ) return ERROR_FUNCTION_FAILED; if (row == -1) row = find_insert_index( tv, rec ); r = table_create_new_row( view, &row, temporary ); TRACE("insert_row returned %08x\n", r); if( r != ERROR_SUCCESS ) return r; /* shift the rows to make room for the new row */ for (i = tv->table->row_count - 1; i > row; i--) { memmove(&(tv->table->data[i][0]), &(tv->table->data[i - 1][0]), tv->row_size); tv->table->data_persistent[i] = tv->table->data_persistent[i - 1]; } /* Re-set the persistence flag */ tv->table->data_persistent[row] = !temporary; return TABLE_set_row( view, row, rec, (1<num_cols) - 1 ); } static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row ) { struct table_view *tv = (struct table_view *)view; UINT r, num_rows, num_cols, i; TRACE("%p %d\n", tv, row); if ( !tv->table ) return ERROR_INVALID_PARAMETER; r = TABLE_get_dimensions( view, &num_rows, &num_cols ); if ( r != ERROR_SUCCESS ) return r; if ( row >= num_rows ) return ERROR_FUNCTION_FAILED; num_rows = tv->table->row_count; tv->table->row_count--; /* reset the hash tables */ for (i = 0; i < tv->num_cols; i++) { free(tv->columns[i].hash_table); tv->columns[i].hash_table = NULL; } for (i = row + 1; i < num_rows; i++) { memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size); tv->table->data_persistent[i - 1] = tv->table->data_persistent[i]; } free(tv->table->data[num_rows - 1]); return ERROR_SUCCESS; } static UINT table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row) { struct table_view *tv = (struct table_view *)view; UINT r, new_row; /* FIXME: MsiViewFetch should set rec index 0 to some ID that * sets the fetched record apart from other records */ if (!tv->table) return ERROR_INVALID_PARAMETER; r = table_find_row(tv, rec, &new_row, NULL); if (r != ERROR_SUCCESS) { ERR("can't find row to modify\n"); return ERROR_FUNCTION_FAILED; } /* the row cannot be changed */ if (row != new_row) return ERROR_FUNCTION_FAILED; return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1); } static UINT table_assign(struct tagMSIVIEW *view, MSIRECORD *rec) { struct table_view *tv = (struct table_view *)view; UINT r, row; if (!tv->table) return ERROR_INVALID_PARAMETER; r = table_find_row(tv, rec, &row, NULL); if (r == ERROR_SUCCESS) return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1); else return TABLE_insert_row( view, rec, -1, FALSE ); } static UINT refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row ) { MSIRECORD *curr; UINT r, i, count; r = TABLE_get_row(view, row, &curr); if (r != ERROR_SUCCESS) return r; /* Close the original record */ MSI_CloseRecord(&rec->hdr); count = MSI_RecordGetFieldCount(rec); for (i = 0; i < count; i++) MSI_RecordCopyField(curr, i + 1, rec, i + 1); msiobj_release(&curr->hdr); return ERROR_SUCCESS; } static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row) { struct table_view *tv = (struct table_view *)view; UINT r, frow, column; TRACE("%p %d %p\n", view, eModifyMode, rec ); switch (eModifyMode) { case MSIMODIFY_DELETE: r = TABLE_delete_row( view, row ); break; case MSIMODIFY_VALIDATE_NEW: r = table_validate_new( tv, rec, &column ); if (r != ERROR_SUCCESS) { tv->view.error = MSIDBERROR_DUPLICATEKEY; tv->view.error_column = tv->columns[column].colname; r = ERROR_INVALID_DATA; } break; case MSIMODIFY_INSERT: r = table_validate_new( tv, rec, NULL ); if (r != ERROR_SUCCESS) break; r = TABLE_insert_row( view, rec, -1, FALSE ); break; case MSIMODIFY_INSERT_TEMPORARY: r = table_validate_new( tv, rec, NULL ); if (r != ERROR_SUCCESS) break; r = TABLE_insert_row( view, rec, -1, TRUE ); break; case MSIMODIFY_REFRESH: r = refresh_record( view, rec, row ); break; case MSIMODIFY_UPDATE: r = table_update( view, rec, row ); break; case MSIMODIFY_ASSIGN: r = table_assign( view, rec ); break; case MSIMODIFY_MERGE: /* check row that matches this record */ r = table_find_row( tv, rec, &frow, &column ); if (r != ERROR_SUCCESS) { r = table_validate_new( tv, rec, NULL ); if (r == ERROR_SUCCESS) r = TABLE_insert_row( view, rec, -1, FALSE ); } break; case MSIMODIFY_REPLACE: case MSIMODIFY_VALIDATE: case MSIMODIFY_VALIDATE_FIELD: case MSIMODIFY_VALIDATE_DELETE: FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec ); r = ERROR_CALL_NOT_IMPLEMENTED; break; default: r = ERROR_INVALID_DATA; } return r; } static UINT TABLE_delete( struct tagMSIVIEW *view ) { struct table_view *tv = (struct table_view *)view; TRACE("%p\n", view ); tv->table = NULL; tv->columns = NULL; free( tv ); return ERROR_SUCCESS; } static UINT TABLE_add_ref(struct tagMSIVIEW *view) { struct table_view *tv = (struct table_view *)view; TRACE( "%p, %ld\n", view, tv->table->ref_count ); return InterlockedIncrement(&tv->table->ref_count); } static UINT TABLE_remove_column(struct tagMSIVIEW *view, UINT number) { struct table_view *tv = (struct table_view *)view; MSIRECORD *rec = NULL; MSIVIEW *columns = NULL; UINT row, r; if (tv->table->col_count != number) return ERROR_BAD_QUERY_SYNTAX; if (tv->table->colinfo[number-1].type & MSITYPE_TEMPORARY) { UINT size = tv->table->colinfo[number-1].offset; tv->table->col_count--; tv->table->colinfo = realloc(tv->table->colinfo, sizeof(*tv->table->colinfo) * tv->table->col_count); for (row = 0; row < tv->table->row_count; row++) tv->table->data[row] = realloc(tv->table->data[row], size); return ERROR_SUCCESS; } rec = MSI_CreateRecord(2); if (!rec) return ERROR_OUTOFMEMORY; MSI_RecordSetStringW(rec, 1, tv->name); MSI_RecordSetInteger(rec, 2, number); r = TABLE_CreateView(tv->db, L"_Columns", &columns); if (r != ERROR_SUCCESS) { msiobj_release(&rec->hdr); return r; } r = table_find_row((struct table_view *)columns, rec, &row, NULL); if (r != ERROR_SUCCESS) goto done; r = TABLE_delete_row(columns, row); if (r != ERROR_SUCCESS) goto done; update_table_columns(tv->db, tv->name); done: msiobj_release(&rec->hdr); columns->ops->delete(columns); return r; } static UINT TABLE_release(struct tagMSIVIEW *view) { struct table_view *tv = (struct table_view *)view; INT ref = tv->table->ref_count; UINT r; INT i; TRACE("%p %d\n", view, ref); ref = InterlockedDecrement(&tv->table->ref_count); if (ref == 0) { for (i = tv->table->col_count - 1; i >= 0; i--) { if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY) { r = TABLE_remove_column(view, tv->table->colinfo[i].number); if (r != ERROR_SUCCESS) break; } else { break; } } if (!tv->table->col_count) { list_remove(&tv->table->entry); free_table(tv->table); TABLE_delete(view); } } return ref; } static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR column, INT type, BOOL hold) { UINT i, r, table_id, col_id, size, offset; BOOL temporary = type & MSITYPE_TEMPORARY; struct table_view *tv = (struct table_view *)view; struct column_info *colinfo; if (temporary && !hold && !tv->table->ref_count) return ERROR_SUCCESS; if (!temporary && tv->table->col_count && tv->table->colinfo[tv->table->col_count-1].type & MSITYPE_TEMPORARY) return ERROR_BAD_QUERY_SYNTAX; for (i = 0; i < tv->table->col_count; i++) { if (!wcscmp(tv->table->colinfo[i].colname, column)) return ERROR_BAD_QUERY_SYNTAX; } colinfo = realloc(tv->table->colinfo, sizeof(*tv->table->colinfo) * (tv->table->col_count + 1)); if (!colinfo) return ERROR_OUTOFMEMORY; tv->table->colinfo = colinfo; r = msi_string2id( tv->db->strings, tv->name, -1, &table_id ); if (r != ERROR_SUCCESS) return r; col_id = msi_add_string( tv->db->strings, column, -1, !temporary ); colinfo[tv->table->col_count].tablename = msi_string_lookup( tv->db->strings, table_id, NULL ); colinfo[tv->table->col_count].number = tv->table->col_count + 1; colinfo[tv->table->col_count].colname = msi_string_lookup( tv->db->strings, col_id, NULL ); colinfo[tv->table->col_count].type = type; colinfo[tv->table->col_count].offset = 0; colinfo[tv->table->col_count].hash_table = NULL; tv->table->col_count++; table_calc_column_offsets( tv->db, tv->table->colinfo, tv->table->col_count); size = table_get_row_size( tv->db, tv->table->colinfo, tv->table->col_count, LONG_STR_BYTES ); offset = tv->table->colinfo[tv->table->col_count - 1].offset; for (i = 0; i < tv->table->row_count; i++) { BYTE *data = realloc(tv->table->data[i], size); if (!data) { tv->table->col_count--; return ERROR_OUTOFMEMORY; } tv->table->data[i] = data; memset(data + offset, 0, size - offset); } if (!temporary) { MSIVIEW *columns; MSIRECORD *rec; rec = MSI_CreateRecord(4); if (!rec) { tv->table->col_count--; return ERROR_OUTOFMEMORY; } MSI_RecordSetStringW(rec, 1, tv->name); MSI_RecordSetInteger(rec, 2, tv->table->col_count); MSI_RecordSetStringW(rec, 3, column); MSI_RecordSetInteger(rec, 4, type); r = TABLE_CreateView(tv->db, L"_Columns", &columns); if (r != ERROR_SUCCESS) { tv->table->col_count--; msiobj_release(&rec->hdr); return r; } r = TABLE_insert_row(columns, rec, -1, FALSE); columns->ops->delete(columns); msiobj_release(&rec->hdr); if (r != ERROR_SUCCESS) { tv->table->col_count--; return r; } } if (hold) TABLE_add_ref(view); return ERROR_SUCCESS; } static UINT TABLE_drop(struct tagMSIVIEW *view) { struct table_view *tv = (struct table_view *)view; MSIVIEW *tables = NULL; MSIRECORD *rec = NULL; UINT r, row; INT i; TRACE("dropping table %s\n", debugstr_w(tv->name)); for (i = tv->table->col_count - 1; i >= 0; i--) { r = TABLE_remove_column(view, tv->table->colinfo[i].number); if (r != ERROR_SUCCESS) return r; } rec = MSI_CreateRecord(1); if (!rec) return ERROR_OUTOFMEMORY; MSI_RecordSetStringW(rec, 1, tv->name); r = TABLE_CreateView(tv->db, L"_Tables", &tables); if (r != ERROR_SUCCESS) { msiobj_release(&rec->hdr); return r; } r = table_find_row((struct table_view *)tables, rec, &row, NULL); if (r != ERROR_SUCCESS) goto done; r = TABLE_delete_row(tables, row); if (r != ERROR_SUCCESS) goto done; list_remove(&tv->table->entry); free_table(tv->table); done: msiobj_release(&rec->hdr); tables->ops->delete(tables); return r; } static const MSIVIEWOPS table_ops = { TABLE_fetch_int, TABLE_fetch_stream, TABLE_set_int, TABLE_set_string, TABLE_set_stream, TABLE_set_row, TABLE_insert_row, TABLE_delete_row, TABLE_execute, TABLE_close, TABLE_get_dimensions, TABLE_get_column_info, TABLE_modify, TABLE_delete, TABLE_add_ref, TABLE_release, TABLE_add_column, NULL, TABLE_drop, }; UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view ) { struct table_view *tv ; UINT r, sz; TRACE("%p %s %p\n", db, debugstr_w(name), view ); if ( !wcscmp( name, L"_Streams" ) ) return STREAMS_CreateView( db, view ); else if ( !wcscmp( name, L"_Storages" ) ) return STORAGES_CreateView( db, view ); sz = FIELD_OFFSET( struct table_view, name[lstrlenW( name ) + 1] ); tv = calloc( 1, sz ); if( !tv ) return ERROR_FUNCTION_FAILED; r = get_table( db, name, &tv->table ); if( r != ERROR_SUCCESS ) { free( tv ); WARN("table not found\n"); return r; } TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count); /* fill the structure */ tv->view.ops = &table_ops; tv->db = db; tv->columns = tv->table->colinfo; tv->num_cols = tv->table->col_count; tv->row_size = table_get_row_size( db, tv->table->colinfo, tv->table->col_count, LONG_STR_BYTES ); TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size ); *view = (MSIVIEW*) tv; lstrcpyW( tv->name, name ); return ERROR_SUCCESS; } static WCHAR *create_key_string(struct table_view *tv, MSIRECORD *rec) { DWORD i, p, len, key_len = 0; WCHAR *key; for (i = 0; i < tv->num_cols; i++) { if (!(tv->columns[i].type & MSITYPE_KEY)) continue; if (MSI_RecordGetStringW( rec, i+1, NULL, &len ) == ERROR_SUCCESS) key_len += len; key_len++; } key = malloc( key_len * sizeof(WCHAR) ); if(!key) return NULL; p = 0; for (i = 0; i < tv->num_cols; i++) { if (!(tv->columns[i].type & MSITYPE_KEY)) continue; if (p) key[p++] = '\t'; len = key_len - p; if (MSI_RecordGetStringW( rec, i+1, key + p, &len ) == ERROR_SUCCESS) p += len; } return key; } static UINT record_stream_name( const struct table_view *tv, MSIRECORD *rec, WCHAR *name, DWORD *len ) { UINT p = 0, i, r; DWORD l; l = wcslen( tv->name ); if (name && *len > l) memcpy(name, tv->name, l * sizeof(WCHAR)); p += l; for ( i = 0; i < tv->num_cols; i++ ) { if (!(tv->columns[i].type & MSITYPE_KEY)) continue; if (name && *len > p + 1) name[p] = '.'; p++; l = (*len > p ? *len - p : 0); r = MSI_RecordGetStringW( rec, i + 1, name ? name + p : NULL, &l ); if (r != ERROR_SUCCESS) return r; p += l; } if (name && *len > p) name[p] = 0; *len = p; return ERROR_SUCCESS; } static UINT TransformView_fetch_int( MSIVIEW *view, UINT row, UINT col, UINT *val ) { struct table_view *tv = (struct table_view *)view; if (!tv->table || col > tv->table->col_count) { *val = 0; return ERROR_SUCCESS; } return TABLE_fetch_int( view, row, col, val ); } static UINT TransformView_fetch_stream( MSIVIEW *view, UINT row, UINT col, IStream **stm ) { struct table_view *tv = (struct table_view *)view; if (!tv->table || col > tv->table->col_count) { *stm = NULL; return ERROR_SUCCESS; } return TABLE_fetch_stream( view, row, col, stm ); } static UINT TransformView_set_row( MSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask ) { static const WCHAR query_pfx[] = L"INSERT INTO `_TransformView` (`new`, `Table`, `Column`, `Row`, `Data`, `Current`) VALUES (1, '"; struct table_view *tv = (struct table_view *)view; WCHAR buf[256], *query; MSIRECORD *old_rec; MSIQUERY *q; WCHAR *key; UINT i, p, r, qlen; DWORD len; if (!wcscmp( tv->name, L"_Columns" )) { ERR( "trying to modify existing column\n" ); return ERROR_INSTALL_TRANSFORM_FAILURE; } if (!wcscmp( tv->name, L"_Tables" )) { ERR( "trying to modify existing table\n" ); return ERROR_INSTALL_TRANSFORM_FAILURE; } key = create_key_string( tv, rec ); if (!key) return ERROR_OUTOFMEMORY; r = msi_view_get_row( tv->db, view, row, &old_rec ); if (r != ERROR_SUCCESS) old_rec = NULL; for (i = 0; i < tv->num_cols; i++) { if (!(mask & (1 << i))) continue; if (tv->columns[i].type & MSITYPE_KEY) continue; qlen = p = ARRAY_SIZE( query_pfx ) - 1; qlen += wcslen( tv->name ) + 3; /* strlen("','") */ qlen += wcslen( tv->columns[i].colname ) + 3; qlen += wcslen( key ) + 3; if (MSITYPE_IS_BINARY( tv->columns[i].type )) r = record_stream_name( tv, rec, NULL, &len ); else r = MSI_RecordGetStringW( rec, i + 1, NULL, &len ); if (r != ERROR_SUCCESS) { if (old_rec) msiobj_release( &old_rec->hdr ); free( key ); return r; } qlen += len + 3; if (old_rec && (r = MSI_RecordGetStringW( old_rec, i+1, NULL, &len ))) { msiobj_release( &old_rec->hdr ); free( key ); return r; } qlen += len + 3; /* strlen("')") + 1 */ if (qlen > ARRAY_SIZE(buf)) { query = malloc( qlen * sizeof(WCHAR) ); if (!query) { if (old_rec) msiobj_release( &old_rec->hdr ); free( key ); return ERROR_OUTOFMEMORY; } } else { query = buf; } memcpy( query, query_pfx, p * sizeof(WCHAR) ); len = wcslen( tv->name ); memcpy( query + p, tv->name, len * sizeof(WCHAR) ); p += len; query[p++] = '\''; query[p++] = ','; query[p++] = '\''; len = wcslen( tv->columns[i].colname ); memcpy( query + p, tv->columns[i].colname, len * sizeof(WCHAR) ); p += len; query[p++] = '\''; query[p++] = ','; query[p++] = '\''; len = wcslen( key ); memcpy( query + p, key, len * sizeof(WCHAR) ); p += len; query[p++] = '\''; query[p++] = ','; query[p++] = '\''; len = qlen - p; if (MSITYPE_IS_BINARY( tv->columns[i].type )) record_stream_name( tv, rec, query + p, &len ); else MSI_RecordGetStringW( rec, i + 1, query + p, &len ); p += len; query[p++] = '\''; query[p++] = ','; query[p++] = '\''; if (old_rec) { len = qlen - p; MSI_RecordGetStringW( old_rec, i + 1, query + p, &len ); p += len; } query[p++] = '\''; query[p++] = ')'; query[p++] = 0; r = MSI_DatabaseOpenViewW( tv->db, query, &q ); if (query != buf) free( query ); if (r != ERROR_SUCCESS) { if (old_rec) msiobj_release( &old_rec->hdr ); free( key ); return r; } r = MSI_ViewExecute( q, NULL ); msiobj_release( &q->hdr ); if (r != ERROR_SUCCESS) { if (old_rec) msiobj_release( &old_rec->hdr ); free( key ); return r; } } if (old_rec) msiobj_release( &old_rec->hdr ); free( key ); return ERROR_SUCCESS; } static UINT TransformView_create_table( struct table_view *tv, MSIRECORD *rec ) { static const WCHAR query_fmt[] = L"INSERT INTO `_TransformView` (`Table`, `Column`, `new`) VALUES ('%s', 'CREATE', 1)"; WCHAR buf[256], *query = buf; const WCHAR *name; MSIQUERY *q; int len; UINT r; name = msi_record_get_string( rec, 1, &len ); if (!name) return ERROR_INSTALL_TRANSFORM_FAILURE; len = _snwprintf( NULL, 0, query_fmt, name ) + 1; if (len > ARRAY_SIZE(buf)) { query = malloc( len * sizeof(WCHAR) ); if (!query) return ERROR_OUTOFMEMORY; } swprintf( query, len, query_fmt, name ); r = MSI_DatabaseOpenViewW( tv->db, query, &q ); if (query != buf) free( query ); if (r != ERROR_SUCCESS) return r; r = MSI_ViewExecute( q, NULL ); msiobj_release( &q->hdr ); return r; } static UINT TransformView_add_column( struct table_view *tv, MSIRECORD *rec ) { static const WCHAR query_pfx[] = L"INSERT INTO `_TransformView` (`new`, `Table`, `Current`, `Column`, `Data`) VALUES (1, '"; WCHAR buf[256], *query = buf; UINT i, p, r, qlen; DWORD len; MSIQUERY *q; qlen = p = wcslen( query_pfx ); for (i = 1; i <= 4; i++) { r = MSI_RecordGetStringW( rec, i, NULL, &len ); if (r != ERROR_SUCCESS) return r; qlen += len + 3; /* strlen( "','" ) */ } if (qlen > ARRAY_SIZE(buf)) { query = malloc( len * sizeof(WCHAR) ); qlen = len; if (!query) return ERROR_OUTOFMEMORY; } memcpy( query, query_pfx, p * sizeof(WCHAR) ); for (i = 1; i <= 4; i++) { len = qlen - p; MSI_RecordGetStringW( rec, i, query + p, &len ); p += len; query[p++] = '\''; if (i != 4) { query[p++] = ','; query[p++] = '\''; } } query[p++] = ')'; query[p++] = 0; r = MSI_DatabaseOpenViewW( tv->db, query, &q ); if (query != buf) free( query ); if (r != ERROR_SUCCESS) return r; r = MSI_ViewExecute( q, NULL ); msiobj_release( &q->hdr ); return r; } static UINT TransformView_insert_row( MSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary ) { static const WCHAR query_fmt[] = L"INSERT INTO `_TransformView` (`new`, `Table`, `Column`, `Row`) VALUES (1, '%s', 'INSERT', '%s')"; struct table_view *tv = (struct table_view *)view; WCHAR buf[256], *query = buf; MSIQUERY *q; WCHAR *key; int len; UINT r; if (!wcscmp(tv->name, L"_Tables")) return TransformView_create_table( tv, rec ); if (!wcscmp(tv->name, L"_Columns")) return TransformView_add_column( tv, rec ); key = create_key_string( tv, rec ); if (!key) return ERROR_OUTOFMEMORY; len = _snwprintf( NULL, 0, query_fmt, tv->name, key ) + 1; if (len > ARRAY_SIZE(buf)) { query = malloc( len * sizeof(WCHAR) ); if (!query) { free( key ); return ERROR_OUTOFMEMORY; } } swprintf( query, len, query_fmt, tv->name, key ); free( key ); r = MSI_DatabaseOpenViewW( tv->db, query, &q ); if (query != buf) free( query ); if (r != ERROR_SUCCESS) return r; r = MSI_ViewExecute( q, NULL ); msiobj_release( &q->hdr ); if (r != ERROR_SUCCESS) return r; return TransformView_set_row( view, row, rec, ~0 ); } static UINT TransformView_drop_table( struct table_view *tv, UINT row ) { static const WCHAR query_pfx[] = L"INSERT INTO `_TransformView` ( `new`, `Table`, `Column` ) VALUES ( 1, '"; static const WCHAR query_sfx[] = L"', 'DROP' )"; WCHAR buf[256], *query = buf; UINT r, table_id, len; const WCHAR *table; int table_len; MSIQUERY *q; r = TABLE_fetch_int( &tv->view, row, 1, &table_id ); if (r != ERROR_SUCCESS) return r; table = msi_string_lookup( tv->db->strings, table_id, &table_len ); if (!table) return ERROR_INSTALL_TRANSFORM_FAILURE; len = ARRAY_SIZE(query_pfx) - 1 + table_len + ARRAY_SIZE(query_sfx); if (len > ARRAY_SIZE(buf)) { query = malloc( len * sizeof(WCHAR) ); if (!query) return ERROR_OUTOFMEMORY; } memcpy( query, query_pfx, ARRAY_SIZE(query_pfx) * sizeof(WCHAR) ); len = ARRAY_SIZE(query_pfx) - 1; memcpy( query + len, table, table_len * sizeof(WCHAR) ); len += table_len; memcpy( query + len, query_sfx, ARRAY_SIZE(query_sfx) * sizeof(WCHAR) ); r = MSI_DatabaseOpenViewW( tv->db, query, &q ); if (query != buf) free( query ); if (r != ERROR_SUCCESS) return r; r = MSI_ViewExecute( q, NULL ); msiobj_release( &q->hdr ); return r; } static UINT TransformView_delete_row( MSIVIEW *view, UINT row ) { static const WCHAR query_pfx[] = L"INSERT INTO `_TransformView` ( `new`, `Table`, `Column`, `Row`) VALUES ( 1, '"; static const WCHAR query_column[] = L"', 'DELETE', '"; static const WCHAR query_sfx[] = L"')"; struct table_view *tv = (struct table_view *)view; WCHAR *key, buf[256], *query = buf; UINT r, len, name_len, key_len; MSIRECORD *rec; MSIQUERY *q; if (!wcscmp( tv->name, L"_Columns" )) { ERR("trying to remove column\n"); return ERROR_INSTALL_TRANSFORM_FAILURE; } if (!wcscmp( tv->name, L"_Tables" )) return TransformView_drop_table( tv, row ); r = msi_view_get_row( tv->db, view, row, &rec ); if (r != ERROR_SUCCESS) return r; key = create_key_string( tv, rec ); msiobj_release( &rec->hdr ); if (!key) return ERROR_OUTOFMEMORY; name_len = wcslen( tv->name ); key_len = wcslen( key ); len = ARRAY_SIZE(query_pfx) + name_len + ARRAY_SIZE(query_column) + key_len + ARRAY_SIZE(query_sfx) - 2; if (len > ARRAY_SIZE(buf)) { query = malloc( len * sizeof(WCHAR) ); if (!query) { free( tv ); free( key ); return ERROR_OUTOFMEMORY; } } memcpy( query, query_pfx, ARRAY_SIZE(query_pfx) * sizeof(WCHAR) ); len = ARRAY_SIZE(query_pfx) - 1; memcpy( query + len, tv->name, name_len * sizeof(WCHAR) ); len += name_len; memcpy( query + len, query_column, ARRAY_SIZE(query_column) * sizeof(WCHAR) ); len += ARRAY_SIZE(query_column) - 1; memcpy( query + len, key, key_len * sizeof(WCHAR) ); len += key_len; memcpy( query + len, query_sfx, ARRAY_SIZE(query_sfx) * sizeof(WCHAR) ); free( key ); r = MSI_DatabaseOpenViewW( tv->db, query, &q ); if (query != buf) free( query ); if (r != ERROR_SUCCESS) return r; r = MSI_ViewExecute( q, NULL ); msiobj_release( &q->hdr ); return r; } static UINT TransformView_execute( MSIVIEW *view, MSIRECORD *record ) { return ERROR_SUCCESS; } static UINT TransformView_close( MSIVIEW *view ) { return ERROR_SUCCESS; } static UINT TransformView_get_dimensions( MSIVIEW *view, UINT *rows, UINT *cols ) { return TABLE_get_dimensions( view, rows, cols ); } static UINT TransformView_get_column_info( MSIVIEW *view, UINT n, LPCWSTR *name, UINT *type, BOOL *temporary, LPCWSTR *table_name ) { return TABLE_get_column_info( view, n, name, type, temporary, table_name ); } static UINT TransformView_delete( MSIVIEW *view ) { struct table_view *tv = (struct table_view *)view; if (!tv->table || tv->columns != tv->table->colinfo) free( tv->columns ); return TABLE_delete( view ); } static const MSIVIEWOPS transform_view_ops = { TransformView_fetch_int, TransformView_fetch_stream, NULL, NULL, NULL, TransformView_set_row, TransformView_insert_row, TransformView_delete_row, TransformView_execute, TransformView_close, TransformView_get_dimensions, TransformView_get_column_info, NULL, TransformView_delete, NULL, NULL, NULL, NULL, NULL }; static UINT TransformView_Create( MSIDATABASE *db, string_table *st, LPCWSTR name, MSIVIEW **view ) { static const WCHAR query_pfx[] = L"SELECT `Column`, `Data`, `Current` FROM `_TransformView` WHERE `Table`='"; static const WCHAR query_sfx[] = L"' AND `Row` IS NULL AND `Current` IS NOT NULL AND `new` = 1"; WCHAR buf[256], *query = buf; UINT r, len, name_len, size, add_col; struct column_info *colinfo; struct table_view *tv; MSIRECORD *rec; MSIQUERY *q; name_len = wcslen( name ); r = TABLE_CreateView( db, name, (MSIVIEW **)&tv ); if (r == ERROR_INVALID_PARAMETER) { /* table does not exist */ size = FIELD_OFFSET( struct table_view, name[name_len + 1] ); tv = calloc( 1, size ); if (!tv) return ERROR_OUTOFMEMORY; tv->db = db; memcpy( tv->name, name, name_len * sizeof(WCHAR) ); } else if (r != ERROR_SUCCESS) { return r; } tv->view.ops = &transform_view_ops; len = ARRAY_SIZE(query_pfx) + name_len + ARRAY_SIZE(query_sfx) - 1; if (len > ARRAY_SIZE(buf)) { query = malloc( len * sizeof(WCHAR) ); if (!query) { free( tv ); return ERROR_OUTOFMEMORY; } } memcpy( query, query_pfx, ARRAY_SIZE(query_pfx) * sizeof(WCHAR) ); len = ARRAY_SIZE(query_pfx) - 1; memcpy( query + len, name, name_len * sizeof(WCHAR) ); len += name_len; memcpy( query + len, query_sfx, ARRAY_SIZE(query_sfx) * sizeof(WCHAR) ); r = MSI_DatabaseOpenViewW( tv->db, query, &q ); if (query != buf) free( query ); if (r != ERROR_SUCCESS) { free( tv ); return r; } r = MSI_ViewExecute( q, NULL ); if (r != ERROR_SUCCESS) { free( tv ); return r; } r = q->view->ops->get_dimensions( q->view, &add_col, NULL ); if (r != ERROR_SUCCESS) { MSI_ViewClose( q ); msiobj_release( &q->hdr ); free( tv ); return r; } if (!add_col) { MSI_ViewClose( q ); msiobj_release( &q->hdr ); *view = (MSIVIEW *)tv; return ERROR_SUCCESS; } colinfo = calloc( add_col + tv->num_cols, sizeof(*colinfo) ); if (!colinfo) { MSI_ViewClose( q ); msiobj_release( &q->hdr ); free( tv ); return ERROR_OUTOFMEMORY; } while (MSI_ViewFetch( q, &rec ) == ERROR_SUCCESS) { int name_len; const WCHAR *name = msi_record_get_string( rec, 1, &name_len ); const WCHAR *type = msi_record_get_string( rec, 2, NULL ); UINT name_id, idx; idx = _wtoi( msi_record_get_string(rec, 3, NULL) ); colinfo[idx - 1].number = idx; colinfo[idx - 1].type = _wtoi( type ); r = msi_string2id( st, name, name_len, &name_id ); if (r == ERROR_SUCCESS) colinfo[idx - 1].colname = msi_string_lookup( st, name_id, NULL ); else ERR( "column name %s is not defined in strings table\n", wine_dbgstr_w(name) ); msiobj_release( &rec->hdr ); } MSI_ViewClose( q ); msiobj_release( &q->hdr ); memcpy( colinfo, tv->columns, tv->num_cols * sizeof(*colinfo) ); tv->columns = colinfo; tv->num_cols += add_col; *view = (MSIVIEW *)tv; return ERROR_SUCCESS; } UINT MSI_CommitTables( MSIDATABASE *db ) { UINT r, bytes_per_strref; HRESULT hr; MSITABLE *table = NULL; TRACE("%p\n",db); r = msi_save_string_table( db->strings, db->storage, &bytes_per_strref ); if( r != ERROR_SUCCESS ) { WARN("failed to save string table r=%08x\n",r); return r; } LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry ) { r = save_table( db, table, bytes_per_strref ); if( r != ERROR_SUCCESS ) { WARN("failed to save table %s (r=%08x)\n", debugstr_w(table->name), r); return r; } } hr = IStorage_Commit( db->storage, 0 ); if (FAILED( hr )) { WARN( "failed to commit changes %#lx\n", hr ); r = ERROR_FUNCTION_FAILED; } return r; } MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table ) { MSITABLE *t; UINT r; TRACE("%p %s\n", db, debugstr_w(table)); if (!table) return MSICONDITION_ERROR; r = get_table( db, table, &t ); if (r != ERROR_SUCCESS) return MSICONDITION_NONE; return t->persistent; } static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes) { UINT ret = 0, i; for (i = 0; i < bytes; i++) ret += (data[col + i] << i * 8); return ret; } static UINT record_encoded_stream_name( const struct table_view *tv, MSIRECORD *rec, WCHAR **pstname ) { UINT r; DWORD len; WCHAR *name; TRACE("%p %p\n", tv, rec); r = record_stream_name( tv, rec, NULL, &len ); if (r != ERROR_SUCCESS) return r; len++; name = malloc( len * sizeof(WCHAR) ); if (!name) return ERROR_OUTOFMEMORY; r = record_stream_name( tv, rec, name, &len ); if (r != ERROR_SUCCESS) { free( name ); return r; } *pstname = encode_streamname( FALSE, name ); free( name ); return ERROR_SUCCESS; } static MSIRECORD *get_transform_record( const struct table_view *tv, const string_table *st, IStorage *stg, const BYTE *rawdata, UINT bytes_per_strref ) { UINT i, val, ofs = 0; USHORT mask; struct column_info *columns = tv->columns; MSIRECORD *rec; mask = rawdata[0] | (rawdata[1] << 8); rawdata += 2; rec = MSI_CreateRecord( tv->num_cols ); if( !rec ) return rec; TRACE("row ->\n"); for( i=0; inum_cols; i++ ) { if ( (mask&1) && (i>=(mask>>8)) ) break; /* all keys must be present */ if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<columns[i].type) ) { LPWSTR encname; IStream *stm = NULL; UINT r; ofs += bytes_per_column( tv->db, &columns[i], bytes_per_strref ); r = record_encoded_stream_name( tv, rec, &encname ); if ( r != ERROR_SUCCESS ) { msiobj_release( &rec->hdr ); return NULL; } r = IStorage_OpenStream( stg, encname, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm ); if ( r != ERROR_SUCCESS ) { msiobj_release( &rec->hdr ); free( encname ); return NULL; } MSI_RecordSetStream( rec, i+1, stm ); TRACE(" field %d [%s]\n", i+1, debugstr_w(encname)); free( encname ); } else if( columns[i].type & MSITYPE_STRING ) { int len; const WCHAR *sval; val = read_raw_int(rawdata, ofs, bytes_per_strref); sval = msi_string_lookup( st, val, &len ); msi_record_set_string( rec, i+1, sval, len ); TRACE(" field %d [%s]\n", i+1, debugstr_wn(sval, len)); ofs += bytes_per_strref; } else { UINT n = bytes_per_column( tv->db, &columns[i], bytes_per_strref ); switch( n ) { case 2: val = read_raw_int(rawdata, ofs, n); if (val) MSI_RecordSetInteger( rec, i+1, val-0x8000 ); TRACE(" field %d [0x%04x]\n", i+1, val ); break; case 4: val = read_raw_int(rawdata, ofs, n); if (val) MSI_RecordSetInteger( rec, i+1, val^0x80000000 ); TRACE(" field %d [0x%08x]\n", i+1, val ); break; default: ERR("oops - unknown column width %d\n", n); break; } ofs += n; } } return rec; } static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize ) { UINT i; for (i = 0; i < rawsize / 2; i++) { int len; const WCHAR *sval = msi_string_lookup( st, rawdata[i], &len ); MESSAGE(" %04x %s\n", rawdata[i], debugstr_wn(sval, len) ); } } static UINT *record_to_row( const struct table_view *tv, MSIRECORD *rec ) { UINT i, r, *data; data = malloc( tv->num_cols * sizeof (UINT) ); for( i=0; inum_cols; i++ ) { data[i] = 0; if ( ~tv->columns[i].type & MSITYPE_KEY ) continue; /* turn the transform column value into a row value */ if ( ( tv->columns[i].type & MSITYPE_STRING ) && ! MSITYPE_IS_BINARY(tv->columns[i].type) ) { int len; const WCHAR *str = msi_record_get_string( rec, i+1, &len ); if (str) { r = msi_string2id( tv->db->strings, str, len, &data[i] ); /* if there's no matching string in the string table, these keys can't match any record, so fail now. */ if (r != ERROR_SUCCESS) { free( data ); return NULL; } } else data[i] = 0; } else { if (int_to_table_storage( tv, i + 1, MSI_RecordGetInteger( rec, i + 1 ), &data[i] )) { free( data ); return NULL; } } } return data; } static UINT row_matches( struct table_view *tv, UINT row, const UINT *data, UINT *column ) { UINT i, r, x, ret = ERROR_FUNCTION_FAILED; for( i=0; inum_cols; i++ ) { if ( ~tv->columns[i].type & MSITYPE_KEY ) continue; /* turn the transform column value into a row value */ r = TABLE_fetch_int( &tv->view, row, i+1, &x ); if ( r != ERROR_SUCCESS ) { ERR("TABLE_fetch_int shouldn't fail here\n"); break; } /* if this key matches, move to the next column */ if ( x != data[i] ) { ret = ERROR_FUNCTION_FAILED; break; } if (column) *column = i; ret = ERROR_SUCCESS; } return ret; } static UINT table_find_row( struct table_view *tv, MSIRECORD *rec, UINT *row, UINT *column ) { UINT i, r = ERROR_FUNCTION_FAILED, *data; data = record_to_row( tv, rec ); if( !data ) return r; for( i = 0; i < tv->table->row_count; i++ ) { r = row_matches( tv, i, data, column ); if( r == ERROR_SUCCESS ) { *row = i; break; } } free( data ); return r; } struct transform_data { struct list entry; LPWSTR name; }; static UINT table_load_transform( MSIDATABASE *db, IStorage *stg, string_table *st, struct transform_data *transform, UINT bytes_per_strref, int err_cond ) { BYTE *rawdata = NULL; struct table_view *tv = NULL; UINT r, n, sz, i, mask, num_cols, colcol = 0, rawsize = 0; MSIRECORD *rec = NULL; WCHAR coltable[32]; const WCHAR *name; if (!transform) return ERROR_SUCCESS; name = transform->name; coltable[0] = 0; TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) ); /* read the transform data */ read_stream_data( stg, name, TRUE, &rawdata, &rawsize ); if ( !rawdata ) { TRACE("table %s empty\n", debugstr_w(name) ); return ERROR_INVALID_TABLE; } /* create a table view */ if ( err_cond & MSITRANSFORM_ERROR_VIEWTRANSFORM ) r = TransformView_Create( db, st, name, (MSIVIEW**) &tv ); else r = TABLE_CreateView( db, name, (MSIVIEW**) &tv ); if( r != ERROR_SUCCESS ) goto err; r = tv->view.ops->execute( &tv->view, NULL ); if( r != ERROR_SUCCESS ) goto err; TRACE("name = %s columns = %u row_size = %u raw size = %u\n", debugstr_w(name), tv->num_cols, tv->row_size, rawsize ); /* interpret the data */ for (n = 0; n < rawsize;) { mask = rawdata[n] | (rawdata[n + 1] << 8); if (mask & 1) { /* * if the low bit is set, columns are continuous and * the number of columns is specified in the high byte */ sz = 2; num_cols = mask >> 8; if (num_cols > tv->num_cols) { ERR("excess columns in transform: %u > %u\n", num_cols, tv->num_cols); break; } for (i = 0; i < num_cols; i++) { if( (tv->columns[i].type & MSITYPE_STRING) && ! MSITYPE_IS_BINARY(tv->columns[i].type) ) sz += bytes_per_strref; else sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref ); } } else { /* * If the low bit is not set, mask is a bitmask. * Excepting for key fields, which are always present, * each bit indicates that a field is present in the transform record. * * mask == 0 is a special case ... only the keys will be present * and it means that this row should be deleted. */ sz = 2; num_cols = tv->num_cols; for (i = 0; i < num_cols; i++) { if ((tv->columns[i].type & MSITYPE_KEY) || ((1 << i) & mask)) { if ((tv->columns[i].type & MSITYPE_STRING) && !MSITYPE_IS_BINARY(tv->columns[i].type)) sz += bytes_per_strref; else sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref ); } } } /* check we didn't run of the end of the table */ if (n + sz > rawsize) { ERR("borked.\n"); dump_table( st, (USHORT *)rawdata, rawsize ); break; } rec = get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref ); if (rec) { WCHAR table[32]; DWORD sz = 32; UINT number = MSI_NULL_INTEGER; UINT row = 0; if (!wcscmp( name, L"_Columns" )) { MSI_RecordGetStringW( rec, 1, table, &sz ); number = MSI_RecordGetInteger( rec, 2 ); /* * Native msi seems writes nul into the Number (2nd) column of * the _Columns table when there are new columns */ if ( number == MSI_NULL_INTEGER ) { /* reset the column number on a new table */ if (wcscmp( coltable, table )) { colcol = 0; lstrcpyW( coltable, table ); } /* fix nul column numbers */ MSI_RecordSetInteger( rec, 2, ++colcol ); } } if (TRACE_ON(msidb)) dump_record( rec ); if (tv->table) r = table_find_row( tv, rec, &row, NULL ); else r = ERROR_FUNCTION_FAILED; if (r == ERROR_SUCCESS) { if (!mask) { TRACE("deleting row [%d]:\n", row); r = tv->view.ops->delete_row( &tv->view, row ); if (r != ERROR_SUCCESS) WARN("failed to delete row %u\n", r); } else if (mask & 1) { TRACE("modifying full row [%d]:\n", row); r = tv->view.ops->set_row( &tv->view, row, rec, (1 << tv->num_cols) - 1 ); if (r != ERROR_SUCCESS) WARN("failed to modify row %u\n", r); } else { TRACE("modifying masked row [%d]:\n", row); r = tv->view.ops->set_row( &tv->view, row, rec, mask ); if (r != ERROR_SUCCESS) WARN("failed to modify row %u\n", r); } } else { TRACE("inserting row\n"); r = tv->view.ops->insert_row( &tv->view, rec, -1, FALSE ); if (r != ERROR_SUCCESS) WARN("failed to insert row %u\n", r); } if (!(err_cond & MSITRANSFORM_ERROR_VIEWTRANSFORM) && !wcscmp( name, L"_Columns" )) update_table_columns( db, table ); msiobj_release( &rec->hdr ); } n += sz; } err: /* no need to free the table, it's associated with the database */ free( rawdata ); if( tv ) tv->view.ops->delete( &tv->view ); return ERROR_SUCCESS; } /* * msi_table_apply_transform * * Enumerate the table transforms in a transform storage and apply each one. */ UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg, int err_cond ) { struct list transforms; IEnumSTATSTG *stgenum = NULL; struct transform_data *transform; struct transform_data *tables = NULL, *columns = NULL; HRESULT hr; STATSTG stat; string_table *strings; UINT ret = ERROR_FUNCTION_FAILED; UINT bytes_per_strref; BOOL property_update = FALSE; MSIVIEW *transform_view = NULL; TRACE("%p %p\n", db, stg ); strings = msi_load_string_table( stg, &bytes_per_strref ); if( !strings ) goto end; hr = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum ); if (FAILED( hr )) goto end; list_init(&transforms); while ( TRUE ) { struct table_view *tv = NULL; WCHAR name[0x40]; ULONG count = 0; hr = IEnumSTATSTG_Next( stgenum, 1, &stat, &count ); if (FAILED( hr ) || !count) break; decode_streamname( stat.pwcsName, name ); CoTaskMemFree( stat.pwcsName ); if ( name[0] != 0x4840 ) continue; if ( !wcscmp( name+1, L"_StringPool" ) || !wcscmp( name+1, L"_StringData" ) ) continue; transform = calloc( 1, sizeof(*transform) ); if ( !transform ) break; list_add_tail( &transforms, &transform->entry ); transform->name = wcsdup( name + 1 ); if ( !wcscmp( transform->name, L"_Tables" ) ) tables = transform; else if (!wcscmp( transform->name, L"_Columns" ) ) columns = transform; else if (!wcscmp( transform->name, L"Property" )) property_update = TRUE; TRACE("transform contains stream %s\n", debugstr_w(name)); /* load the table */ if (TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv ) != ERROR_SUCCESS) continue; if (tv->view.ops->execute( &tv->view, NULL ) != ERROR_SUCCESS) { tv->view.ops->delete( &tv->view ); continue; } tv->view.ops->delete( &tv->view ); } if (err_cond & MSITRANSFORM_ERROR_VIEWTRANSFORM) { static const WCHAR create_query[] = L"CREATE TABLE `_TransformView` ( " L"`Table` CHAR(0) NOT NULL TEMPORARY, `Column` CHAR(0) NOT NULL TEMPORARY, " L"`Row` CHAR(0) TEMPORARY, `Data` CHAR(0) TEMPORARY, `Current` CHAR(0) TEMPORARY " L"PRIMARY KEY `Table`, `Column`, `Row` ) HOLD"; MSIQUERY *query; UINT r; r = MSI_DatabaseOpenViewW( db, create_query, &query ); if (r != ERROR_SUCCESS) goto end; r = MSI_ViewExecute( query, NULL ); if (r == ERROR_SUCCESS) MSI_ViewClose( query ); msiobj_release( &query->hdr ); if (r != ERROR_BAD_QUERY_SYNTAX && r != ERROR_SUCCESS) goto end; if (TABLE_CreateView(db, L"_TransformView", &transform_view) != ERROR_SUCCESS) goto end; if (r == ERROR_BAD_QUERY_SYNTAX) transform_view->ops->add_ref( transform_view ); r = transform_view->ops->add_column( transform_view, L"new", MSITYPE_TEMPORARY | MSITYPE_NULLABLE | 0x402 /* INT */, FALSE ); if (r != ERROR_SUCCESS) goto end; } /* * Apply _Tables and _Columns transforms first so that * the table metadata is correct, and empty tables exist. */ ret = table_load_transform( db, stg, strings, tables, bytes_per_strref, err_cond ); if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE) goto end; ret = table_load_transform( db, stg, strings, columns, bytes_per_strref, err_cond ); if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE) goto end; ret = ERROR_SUCCESS; while ( !list_empty( &transforms ) ) { transform = LIST_ENTRY( list_head( &transforms ), struct transform_data, entry ); if ( wcscmp( transform->name, L"_Columns" ) && wcscmp( transform->name, L"_Tables" ) && ret == ERROR_SUCCESS ) { ret = table_load_transform( db, stg, strings, transform, bytes_per_strref, err_cond ); } list_remove( &transform->entry ); free( transform->name ); free( transform ); } if ( ret == ERROR_SUCCESS ) { append_storage_to_db( db, stg ); if (property_update) msi_clone_properties( db ); } end: if ( stgenum ) IEnumSTATSTG_Release( stgenum ); if ( strings ) msi_destroy_stringtable( strings ); if (transform_view) { struct tagMSITABLE *table = ((struct table_view *)transform_view)->table; if (ret != ERROR_SUCCESS) transform_view->ops->release( transform_view ); if (!wcscmp(table->colinfo[table->col_count - 1].colname, L"new")) TABLE_remove_column( transform_view, table->colinfo[table->col_count - 1].number ); transform_view->ops->delete( transform_view ); } return ret; }